public static void Copy(string src, Tape dest)
{
using (StreamReader reader = new StreamReader(src))
{
string line;
while ((line = reader.ReadLine()) != null)
{
dest.Append(line);
}
}
}
public static void Merge(Tape dest, CyclicList<Tape> tapes)
{
//Log.WriteMergeMessage("Merge start");
//Log.WriteMergeMessage("A: " + tapes[0].ShowFile(), 5);
//Log.WriteMergeMessage("B: " + tapes[1].ShowFile(), 5);
dest.Clean();
tapes.Prepare();
double a1 = (double)tapes.Current.GetNextValue();
double b1 = -1;
while (!tapes.Current.IsFinished)
{
double? nextValue = tapes.Next.GetNextValue();
double b2;
if (nextValue != null)
b2 = (double)nextValue;
else
break; // przepisz resztę taśmy
if (b2 >= b1) // czy ciągle na tym samym run-ie
{
if (b2 <= a1)
{
b1 = b2;
dest.Append(b1);
}
else
{
dest.Append(a1);
tapes.MoveNext();
b1 = a1;
a1 = b2;
}
}
else // przepisz resztę run-a
{
b1 = b2;
double a2 = a1;
var value = tapes.Current.GetNextValue();
if (value != null) a1 = (double)value;
else
{
dest.Append(a2);
tapes.MoveNext();
break;
}
while (a1 >= a2)
{
dest.Append(a2);
a2 = a1;
double? d = tapes.Current.GetNextValue();
if (d != null) a1 = (double)d;
else
break;
}
dest.Append(a2);
tapes.Next.StepBack();
}
}
double? v;
//dest.Append(a1);
tapes.Current.StepBack();
while ((v = tapes.Current.GetNextValue()) != null)
{
dest.Append((double)v);
}
//Log.WriteMergeMessage("Result:", 5);
Log.WriteMergeMessage("C: " + dest.ShowFile());
//Log.WriteMergeMessage("Merge end");
}
